MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef641fd5206731c411b36a49faa3aa3277033aa8ff24f7262b3fd441768dbd11. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Mirai


Vendor detections: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef641fd5206731c411b36a49faa3aa3277033aa8ff24f7262b3fd441768dbd11
SHA3-384 hash: 6b8d4bad369a6b576334f32ac739d097d9ac3ece930dde8d1da1956fbf71c46d389a667dae83f5f1993d17d2bad7d6c1
SHA1 hash: 74e680d7acc16816a3e3785efb4433c85cfe4a12
MD5 hash: ca0e451cad9fcee569cc5f375df62806
humanhash: whiskey-equal-vermont-summer
File name:mips
Download: download sample
Signature Mirai
Create hunting rule
File size:48'228 bytes
First seen:2025-08-16 18:26:07 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:bqBSX+tSouG7Mq5O6SJ8ta9vbY/Hd8lATs3asIIKa4LDmPXAsGnZ1VaB5ExQ1Jgo:L0jvHI6S+Fd8lt5T4LDmPXuZ1VuWQvVz
TLSH T13A230114BC531CC5D60C84F921DD4693ABF30AE36313998C36BCF9C5950B3E9B8879A0
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
62
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Creating a file
Collects information on the CPU
Collects information on the OS
Connection attempt
DNS request
Kills processes
Runs as daemon
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/68a0cd55abfbaec318240000/reports/7b151c37-507f-4869-892f-80cc0ef4b60f/overview
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b08b776e-17c0-4856-a858-1e3efc78caa6
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1758431
Signature
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1758431 Sample: mips.elf Startdate: 16/08/2025 Architecture: LINUX Score: 72 25 102.84.28.103, 23 ZAINUGASUG Uganda 2->25 27 198.48.17.29, 23 VITAL-CT-APVitalDataLtdNZ United States 2->27 29 44 other IPs or domains 2->29 33 Multi AV Scanner detection for submitted file 2->33 35 Yara detected Mirai 2->35 37 Connects to many ports of the same IP (likely port scanning) 2->37 8 mips.elf 2->8         started        10 xfce4-session rm 2->10         started        12 xfce4-session xfdesktop 2->12         started        14 14 other processes 2->14 signatures3 process4 process5 16 mips.elf 8->16         started        process6 18 mips.elf 16->18         started        21 mips.elf 16->21         started        23 mips.elf 16->23         started        signatures7 31 Sample tries to kill multiple processes (SIGKILL) 18->31
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ef641fd5206731c411b36a49faa3aa3277033aa8ff24f7262b3fd441768dbd11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef641fd5206731c411b36a49faa3aa3277033aa8ff24f7262b3fd441768dbd11/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/ef641fd5206731c411b36a49faa3aa3277033aa8ff24f7262b3fd441768dbd11
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-08-16 18:26:25 UTC
File Type:
ELF32 Big (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=55sb7vjam4y4ientnje7vi5kgj3qgovi74spojrlh7kec5unxuiq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
antivm defense_evasion discovery
Link:
https://tria.ge/reports/250816-w3dn3afp9x/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Checks CPU configuration
Reads system network configuration
Enumerates active TCP sockets
Modifies Watchdog functionality
Renames itself
Contacts a large (17664) amount of remote hosts
Creates a large amount of network flows
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8c196fc1-5476-40ad-865e-0328e60b9c8b
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/ef641fd5206731c411b36a49faa3aa3277033aa8ff24f7262b3fd441768dbd11

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_antiunpack_elf32
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:UPX Anti-Unpacking technique to magic renamed for ELF32

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf ef641fd5206731c411b36a49faa3aa3277033aa8ff24f7262b3fd441768dbd11

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3593219/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments